Center conditions for polynomial Liénard systems
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In this paper we study the center problem for polynomial Liénard systems of degree n with damping of degree n. Computing the focal values we find the center conditions for such systems for n=5 and using modular arithmetics and Gröbner bases for n=6. We also give some center conditions for polynomial
Liénard systems of degree n with damping of degree n.
Is part ofQualitative Theory Of Dynamical Systems, 2017, vol. 16, p. 119-126
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